君恋ふる歌

Recording by U-ta/U-taP.

Recording identifiers

ISRC
JPE560900447
CopyrightID (CopyrightChains transaction hash)
0x5d43467f5c5231d12d9eb97addce20a5695ab6ec99c1fcd6ac88afb7a45d1109
Copyright registration time
2026-07-07T09:24:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ab96617ffe2a5b515b914e5a3ed167421eed58a33a71d46caea33d9319b3aaaa

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.